Ultracapacitor maker Maxwell Technologies (Maxwell) has introduced an enhanced 48V ultracapacitor module product, which includes the firms’ DuraBlue new shock and vibration cell technology.
The module is designed for mass transportation such as the integration in hybrid bus propulsion systems or rail stabilisation systems.
According to the California-based company, the module combines Maxwell’s solvent-free dry electrode formation and manufacturing process with a patent-pending cell structure design, which results in an increase in vibration immunity of 300% and in shock immunity of 400% compared to competitive offerings.
The product also comprises of a capacitor management options system for reliability and safety including a redundant over-voltage alarm.
“Ultracapacitors’ rapid charge and discharge characteristics, long operating lifetime, wide operational temperature range and ruggedness make them an ideal energy storage solution for hybrid buses and other vehicles that employ braking energy recuperation systems,” said Franz Fink, Maxwell’s president and CEO.
The module has been validated through several months of sampling with selected customers.
In November, the United States Advanced Battery Consortium selected Maxwell to research the technological and economic feasibility of a 12V hybrid energy storage system consisting of lithium-ion batteries and the company’s ultracapacitors.
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